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Consolidated Statements of Comprehensive Earnings - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Revenues from contracts with customers |  | $ 13,750 | $ 4,673 | $ 6,674
Oil, gas and NGL derivatives |  | (1,544) | 155 | (454)
Total revenues |  | 12,206 | 4,828 | 6,220
Production expenses |  | 2,131 | 1,123 | 1,197
Exploration expenses |  | 14 | 167 | 58
Depreciation, depletion and amortization |  | 2,158 | 1,300 | 1,497
Asset impairments |  |  | 2,693 |
Asset dispositions |  | (168) | (1) | (48)
General and administrative expenses |  | 391 | 338 | 475
Financing costs, net |  | 329 | 270 | 250
Restructuring and transaction costs |  | 258 | 49 | 84
Other, net |  | (43) | (34) | 4
Total expenses |  | 9,308 | 7,918 | 6,329
Earnings (loss) from continuing operations before income taxes |  | 2,898 | (3,090) | (109)
Income tax expense (benefit) |  | 65 | (547) | (30)
Net earnings (loss) from continuing operations |  | 2,833 | (2,543) | (79)
Net loss from discontinued operations, net of income taxes |  |  | (128) | (274)
Net earnings (loss) |  | 2,833 | (2,671) | (353)
Net earnings attributable to noncontrolling interests |  | 20 | 9 | 2
Net earnings (loss) attributable to Devon |  | $ 2,813 | $ (2,680) | $ (355)
Basic net earnings (loss) per share: |  |  |  |
Basic earnings (loss) from continuing operations per share |  | $ 4.20 | $ (6.78) | $ (0.21)
Basic loss from discontinued operations per share |  |  | (0.34) | (0.68)
Basic net earnings (loss) per share |  | 4.20 | (7.12) | (0.89)
Diluted net earnings (loss) per share: |  |  |  |
Diluted earnings (loss) from continuing operations per share |  | 4.19 | (6.78) | (0.21)
Diluted loss from discontinued operations per share |  |  | (0.34) | (0.68)
Diluted net earnings (loss) per share |  | $ 4.19 | $ (7.12) | $ (0.89)
Comprehensive earnings (loss): |  |  |  |
Net earnings (loss) |  | $ 2,833 | $ (2,671) | $ (353)
Other comprehensive earnings (loss), net of tax: |  |  |  |
Foreign currency translation, discontinued operations |  |  |  | 78
Release of Canadian cumulative translation adjustment, discontinued operations | [1] |  |  | (1,237)
Pension and postretirement plans |  | (5) | (8) | 13
Other comprehensive loss, net of tax |  | (5) | (8) | (1,146)
Comprehensive earnings (loss): |  | 2,828 | (2,679) | (1,499)
Comprehensive earnings attributable to noncontrolling interests |  | 20 | 9 | 2
Comprehensive earnings (loss) attributable to Devon |  | 2,808 | (2,688) | (1,501)
Oil, Gas and NGL Sales [Member] |  |  |  |
Revenues from contracts with customers |  | 9,531 | 2,695 | 3,809
Marketing and Midstream Revenues [Member] |  |  |  |
Revenues from contracts with customers |  | 4,219 | 1,978 | 2,865
Marketing and Midstream Expenses [Member] |  |  |  |
Expenses |  | $ 4,238 | $ 2,013 | $ 2,812
[1] | In conjunction with the sale of substantially all of its oil and gas assets and operations in Canada, Devon released the cumulative translation adjustment as part of its gain on the disposition of its Canadian business. See Note 19 for additional details.

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- Definition Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or "G&G" costs. (ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test wells. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 23 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123377692&loc=d3e62136-109447 + Details
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